Then they don't need to tax you and you can just give the money to educational institutions. The argument for taxes is either "I don't think it is fair for me to pay for this alone since others are benefiting" or "this absolutely positively must be a group effort" (eg, the military).

"I want my taxes to..." is a generally a bad start, because the point of taxes is it doesn't matter what an individual taxpayers wants to happen to them. Most taxpayers want the taxes to not be spent the way they will be. That is why they are taxes. If people had an actual choice then in all likelihood they wouldn't pay them.